LOINCActiveBoth

LOINC Code 40508-4: Jamestown canyon virus IgM Neut test (S) [Titer]

40508-4 is a LOINC code used to identify Jamestown canyon virus IgM Neut test (S) [Titer] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Jamestown canyon virus Ab.IgM. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Jamestown canyon virus Ab.IgM. It is commonly used with the system or sample type Ser.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: Neut

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Jamestown canyon virus IgM Ab [Titer] in Serum by Neutralization test
  • Jamestown canyon virus Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Conventional virus neutralization test; cVNT; Dilution factor; Dilution Factor (Titer); ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; JCV; Microbiology; NEUTRALIZATION; Neutralization test; NT; Point in time; Random; Serum; Serum virus neutralization; SmQn; SR; SVN; Titer; Titered; Titre; Ttr; Virus neutralization test; VNT

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Jamestown canyon virus IgM Neut test (S) [Titer]Jamestown canyon virus IgM Ab [Titer] in Serum by Neutralization testJCV IgM Titr Ser NtJamestown canyon virus Ab.IgMMICROJamestown Canyon virus IgM antibody, BloodTitr

Frequently asked questions

Code details

Code40508-4
SystemLOINC
Display nameJamestown canyon virus IgM Neut test (S) [Titer]
DescriptionJamestown canyon virus Ab.IgM
Short nameJCV IgM Titr Ser Nt
ComponentJamestown canyon virus Ab.IgM
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodNeut
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.75

Consumer names

Jamestown Canyon virus IgM antibody, Blood

Part names

Jamestown canyon virus Ab.IgMTitrPtSerSemiQnNeutJamestown Canyon virus IgMTiterPoint in time (spot)SerumNeutralization test

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 40508-4 | HealthAssure